Incandescent-mantle support.



Patented July l7, I900.

A. KITSON. INCANDESCENT MANTLE SUPPORT.-

(Application filed Jan. 6, 1900.

{N11 Model.)

WITNESSES:

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NT error ARTHUR KITSON, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOE TO THE KITSON I-IYDROOARBON HEATING AND INOANDESOENT LIGHTING COM- PANY, OF SAME PLACE AND CHARLESTON, WEST VIRGINIA.

INCANDESCENT-MANTLE SUPPORT.

SPECIFICATION forming part of Letters Patent No. 654,094, dated July 1'7, 1900.

Application filed January 5, 1900. Serial No, 518. (No model.)

T0 60% whom it may concern.-

Be it known that I, ARTHUR KITSON, a subject of the Queen of Great Britain, and a resident of Philadelphia, (Germantown,) county of Philadelphia, State of Pennsylvania, have invented certain new and useful Improvements in Incandescent-Mantle Supports, of which the following is a specification.

My invention relates in general to mantlesupports for gas and vapor burners, and more specifically consists in mounting said mantle support or wire,whether of the usual form or of a special and improved form, (herein illustrated,) on a removable cap which fits loosely over the burner-thimble and is seated on a sleeve of compressible material interposed between the thimble and the cap.

The preferred form of apparatus embodying my invention is illustrated in the accompanying sheet of drawings, in which- Figure l is a side elevation and partial section of a burner and mantle therefor. Fig.

- 2 is a horizontal section of the burner; and

Fig. 3 is a View in cross-section of the mantle-support, taken on the line .5 s of Fig. 1.

Throughout the drawings like referencefigures refer to like parts.

The burner-thimble 1 has a cap 2, of metal,

fitting loosely over it. A sleeve 3, of asbes-' tos or other compressible but incombustible material, is between the two. A perforated diaphragm 4; is located in the upper portion of the cap. A second perforated diaphragm 9, of wire-gauze or other substance, is usually located at a lower point in the burnerthimble. The cap 2 is provided with wings or lugs 5 and 6, in which are mounted the two legs of the double mantlesupport 7. This support extends up on either side of the burner and across the top thereof. From the middle of this cross portion is suspended the usual form of incandescent mantle 8.

Preferably the mantle-support is wound with a cord or fiber 10 of some incombustible material to protect it from the heat of the flame. I usually make this cord of asbestos and soak it in silicate of soda or other fireproof solution and wind it on the rod or wire 7 before the silicate of soda sets. When the silicate of soda then sets, the fiber and silicateform a hard tough fireproof non-conducting covering for the metal of the mantlesupport.

The mode of operation of my invention is as follows: The mantle-support7 rests loosely in the lugs 5 and 6 and can be withdrawn therefrom for the purpose of placing the mantle upon it. When the attendant desires to examine or renew the'gauzes or other perforated diaphragms in the burner, the cap 2 is taken off, carrying with it the mantle-support and mantle. The sleeve 3, of compressible material, allows the cap to be taken off with little effort and to be replaced with equal ease, thus reducing the chances of breaking the mantle.

The advantages of my invention comprise the holding of the mantle erect over the burner, the lengthening of the life of the mantle-support, and the saving in breakage of mantles and lamp parts formerly resulting from the necessity of removing the mantle from the burner-cap when the gauzes were to be examined and from the wrenching of the lamp parts caused by the exertion of considerable force in separating the parts of the burner when no compressible sleeve 2 was employed.

It is evident, of course, that various changes could be made in the details of construction illustrated without departing from the spirit and scope of my invention. The double mantle-support might be of different shape and might be differently mounted on the cap. The location of the perforated diaphragms might be varied; but these and other obvious modifications I should still consider within the boundaries of my invention.

Having, therefore, described my invention, what I claim as new, and desire to protect by Letters Patent, is-

1. The combination of the burner composed of an inner thimble, and the outer cap therefor, the sleeve of compressible material between the two and the mantle-support mounted in the cap.

2. The combination of the burner composed of an inner thimble, and an outer cap inclos Signedby me at New York, N. Y., this 11th day of December, 1899.

ARTHUR KITSON.

Witnesses:

W. H. PUMPHREY, Tnos. '1. SMITH. 

